Protein: Q9W396
FI06908p (FI07108p) (Heterochromatin protein 1b, isoform A) (Heterochromatin protein 1b, isoform B) (Heterochromatin protein 1b, isoform C)

Gene: Q9W396, HP1b
Organism: Drosophila melanogaster
Interactions: 49
UniProt ID: Q9W396

Gene Ontology (top 5):
GO:0000791 - euchromatin
GO:0000792 - heterochromatin
GO:0003682 - chromatin binding
GO:0005634 - nucleus
GO:0005721 - pericentric heterochromatin

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

426865

HP1
Heterochromatin protein 1

2

20

Small-scale

0.754

High

1470759

Q9VCU6
Heterochromatin protein 1c

2

18

Small-scale

0.754

High

1377905

CAV
Telomere-binding protein cav

3

2

High-throughput

0.650

High

381747

H3
Histone H3

1

20

Small-scale

0.648

High

853574

SUV39
Histone-lysine N-methyltransferase Su(var)3-9

1

20

Small-scale

0.618

High

1489849

Q9W396
FI06908p

1

19

Small-scale

0.618

High

1050954

SSRP1
FACT complex subunit Ssrp1

2

20

Small-scale

0.584

High

1216865

Q5U156
RE01954p

2

20

Small-scale

0.584

High

731989

CROC
Fork head domain-containing protein crocodile

1

5

High-throughput

0.515

High

1346167

PUF68
Poly(U)-binding-splicing factor hfp

1

1

High-throughput

0.508

High

1485670

PUS7
Pseudouridylate synthase 7 homolog

1

2

High-throughput

0.508

High

56069

A1Z9S6

1

14

Small-scale

0.501

High

69051

A8JRE3
Without children, isoform B

1

20

Small-scale

0.501

High

95386

E1JJ76
Alhambra, isoform H

1

6

Small-scale

0.501

High

1070373

Q0IGU0
IP21556p

1

4

High-throughput

0.494

High

1469487

Q9VBQ3
FI08017p

1

0

High-throughput

0.486

High

1485135

Q9VRQ6
Uncharacterized protein, isoform A

1

0

High-throughput

0.486

High

1489850

Q9XZ03
Multiprotein Bridging Factor 1

1

0

High-throughput

0.486

High

118058

M9MS50
non-specific serine/threonine protein kinase

1

7

High-throughput

0.481

High

628691

SUV37
Protein suppressor of variegation 3-7

1

2

Small-scale

0.481

High

683192

ESCA
Protein escargot

1

20

High-throughput

0.481

High

713738

ABDA
Homeobox protein abdominal-A

1

5

High-throughput

0.481

High

731994

FD4
Fork head domain-containing protein FD4

1

5

High-throughput

0.481

High

1014421

UBX
Homeotic protein ultrabithorax

1

6

High-throughput

0.481

High

1172528

HR78
Nuclear hormone receptor HR78

1

20

High-throughput

0.481

High

1262067

Q7JUZ9
Corepressor of pangolin, isoform A

1

4

High-throughput

0.481

High

1374998

NFKB1
Nuclear factor NF-kappa-B p110 subunit

1

9

High-throughput

0.481

High

1466737

Q9V9Q2
IP01335p

1

20

High-throughput

0.481

High

1468356

Q9VAT1
Uncharacterized protein, isoform A

1

20

High-throughput

0.481

High

1489851

ORC6
Origin recognition complex subunit 6

1

2

High-throughput

0.481

High

121782

M9PGH7
G9a, isoform B

1

20

Small-scale

0.479

High

402297

RPB1
DNA-directed RNA polymerase II subunit RPB1

1

3

Small-scale

0.479

High

1181115

SETB1
Histone-lysine N-methyltransferase eggless

1

20

Small-scale

0.479

High

1306376

SPT16
FACT complex subunit spt16

1

3

Small-scale

0.479

High

1379182

Q961B8
ADD domain-containing protein 1, isoform B

1

12

Small-scale

0.479

High

1475165

TCTP
Translationally-controlled tumor protein homolog

1

1

Small-scale

0.479

High

1479069

SMBT
Polycomb protein Sfmbt

1

20

Small-scale

0.479

High

1489570

Q9W1G7
LD21576p

1

3

High-throughput

0.479

High

1172275

DNAJ1
DnaJ protein homolog 1

1

2

High-throughput

0.464

High

1483584

CPSF4
Cleavage and polyadenylation specificity factor subunit 4

1

1

High-throughput

0.464

High

1484771

CATIN
Splicing factor Cactin

1

1

High-throughput

0.464

High

1489739

Q9W283
Arc, isoform A

1

3

High-throughput

0.464

High

1482913

Q9VNV0
non-specific serine/threonine protein kinase

1

7

High-throughput

0.457

High

1268935

Q7KS50
Centaurin beta 1A, isoform B

1

4

High-throughput

0.439

High

1487785

Q9VWD9
Ubiquilin-like protein

1

8

Small-scale

0.437

High

1470629

Q9VCQ6
Centaurin beta 1A

1

3

High-throughput

0.417

High

1267487

Q7KM15
Transcription factor BTF3

1

0

High-throughput

0.265

Low

1481295

SPZ3
Protein spaetzle 3

1

0

High-throughput

0.265

Low


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Last updated: 11Aug2025